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Published on: August 19, 2021
Comparative study on the oncological prognosis of laparoscopy and laparotomy for stage IIA1 cervical squamous cell
Chunlin Chen1, Ziyu Fang1, Qianqing Wang2
1Department of Obstetrics and Gynecology, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China.
Objective:
To compare the 5-year overall survival (OS) and disease-free survival (DFS) rate of laparoscopic radical hysterectomy (LRH) and abdominal radical hysterectomy (ARH) for stage IIA1 cervical squamous cell carcinoma.
Methods:
Based on a large database containing information on the clinical diagnosis and treatment of cervical cancer in China, the oncological outcomes of the two surgical approaches for stage IIA1 cervical squamous cell carcinoma were compared after 1:2 propensity score matching (PSM).
Results:
After 1:2 propensity score matching (PSM), 510 patients were included in the LRH group, and 999 patients were included in the ARH group. LRH showed a similar 5-year OS but a lower DFS rate (81.3% vs. 87.4%, P = 0.018) than ARH. In the multivariate analysis, LRH was identified as an independent risk factor for worse 5-year DFS (HR = 1.569, 95% CI: 1.131-2.176, P = 0.007). Among patients with a tumour size <2 cm, the LRH and ARH groups showed similar OS and DFS rates after 1:2 PSM, and multivariate analysis showed that the surgical approach was not an independent risk factor affecting the OS or DFS rate. Among patients with a tumour size ≥2 cm and <4 cm, there was no difference in OS between the LRH and ARH groups after matching, but the DFS in the LRH group was significantly lower than that in the ARH group (81.1% vs 86.2%, P = 0.034). In the multivariate analysis, the laparoscopic approach was not associated with OS but was independently associated with worse DFS (HR = 1.546, 95% CI: 1.094-2.185, P = 0.014).
Conclusions:
LRH was associated with poorer 5-year DFS than ARH in patients with stage IIA1 cervical squamous cell carcinoma. However, LRH showed 5-year OS and DFS rates similar to those of ARH among patients with a tumour size <2 cm. For patients with a tumour size ≥2 cm and <4 cm, LRH showed a lower DFS rate than ARH.
